Tam sim no peb lub neej niaj hnub, cov hnab ntim yas tau koom nrog txhua yam ntawm peb lub neej, feem ntau yog siv cov khaub ncaws ntim khaub ncaws hnab ntim khoom, thiab lwm yam khoom plig siv tau ntawm lub hnab ntim khoom siv kom raug nws. Ua ntej tshaj plaws, peb yuav tsum paub tias lub hnab yas tsis tuaj yeem sib xyaw, vim tias ntim ntawm cov khoom sib txawv yuav tsum tau yuav los ntawm cov hnab yas. Xws li cov hnab ntim khoom noj khoom haus yog tsim tshwj xeeb rau cov khoom noj ntim khoom, nws cov ntaub ntawv, thiab cov txheej txheem, thiab lwm yam Yuav tsum muaj kev nyab xeeb ib puag ncig; Thiab tshuaj lom neeg, khaub ncaws hnav, thiab cov tshuaj pleev ib yam thiab lwm cov hnab yas, tsis muaj peev xwm siv tau rau tib neeg kev noj qab haus huv.
Thaum peb yuav hnab ntim yas ntim, ntau tus neeg yuav tsis xaiv cov hnab tuab thiab ruaj khov zoo dua qub, tab sis qhov tseeb, tsis yog lub zog thiab muaj zog dua lub hnab zoo dua. Vim tias lub hnab ntim khoom siv cov khoom lag luam uas tau tsim los ntawm cov chaw tsim khoom noj khoom haus cov khoom noj kom pom zoo. Cov hnab yas rau cov khoom noj yuav tsum khij nrog "Zaub mov tshwj xeeb" thiab "QS Logo" cov lus no. Ib qho ntxiv, koj tuaj yeem pom seb lub hnab yas yog huv tiv thaiv lub teeb. Vim tias cov hnab yas tsim nyog tau huv, tsis muaj kev cuam tshuam, txawm li cas los xij, lub hnab ntim khoom tsis zoo yuav pom cov me nyuam tsis huv, impurities. Qhov no kuj yog txoj hauv kev zoo rau kev pom zoo rau kev txiav txim siab lub hnab yas thaum peb yuav thiab muag lawv txhua hnub.
Kuv ntseeg tias muaj ntau tus neeg yuav muaj ib puag ncig raws li cov tsos uas pom cov hnab ntim khoom zoo, tab sis qhov tseeb, qhov no yog ib txoj kev unscient zoo. Vim hais tias muaj ntau hom ntim yas ntim xim xim, tab sis peb yuav tsum xaiv cov xim yas uas tau zoo, yuav tsum tau siv cov xim yas kom zoo, yog tias muaj kev nyab xeeb ntau ntxiv, yuav tsum tsis muaj peev xwm ntau ntxiv. Cov no yog cov hnab yas ntim hauv kev siv cov hnab yas ntim kom pom tseeb, ntxiv rau cov kev xaiv yas, kev xaiv hnab ntim khoom siv tau kuj tseem ceeb heev. Tsuas yog cov chaw tsim khoom lag luam, kom ntseeg tau tias cov hnab ntim khoom yas uas peb siv muaj kev nyab xeeb.
Kev xaiv ntawm cov ntaub ntawv tsis yog kev txiav txim siab, ua ntej yuav tsum ua ke nrog cov yam ntxwv ntawm cov khoom lag luam (khoom, ua kua, thiab nws yuav tsum tau khaws cia kom deb ntawm lub teeb; Cov khoom hmoov yuav tsum xav txog cov dej noo tsis kam, yog li feem ntau nyob rau hauv kev xaiv ntawm lub hnab ntawv, yuav xav ntxiv cov khoom siv txhuas kom nce cov dej noo tsis kam ntawm lub hnab. Cov khoom siv puas yog qhov kev xaiv tsim nyog tshaj plaws rau cov khoom hmoov. Composite cov khoom yog los ntawm qee txoj kev thiab kev txhais tau tias, ob lossis ntau cov khoom siv los ntawm ib qho khoom siv ntawm ib qho kev ua tiav ntawm ib qho khoom siv ntim khoom zoo dua nrog cov khoom siv. Piv nrog cov ntaub ntawv ib txwm muaj, cov ntaub ntawv sib xyaw muaj cov txiaj ntsig zoo ntawm kev txuag cov khoom siv thiab txo qhov hnyav ntau, yog li lawv tau muaj txiaj ntsig zoo thiab tawm tswv yim.
Lub Sijhawm Post: Nov-17-2022